* {
    margin: 0;
    padding: 0;
    list-style: none;
}

h3 {
    text-align: center;
}

.xzhtkj {
    padding: 40px 30px;
}

.xz-bt {
    margin-top: 60px;
    width: 100%;
    height: 30px;
    display: flex;
    justify-content: space-between;
    line-height: 30px;
    font-size: 13px;
    border-bottom: 1px solid #eeeeee;
}

.s1-ht:nth-child(1) {
    font-weight: bold;
}

.s1-ht:nth-child(2) {
    line-height: 40px;
    color: gray;
    margin-right: 40px;
}

.txt {
    height: 25px;
    outline: none;
}

#contractName {
    width: 280px;
}

#institutionName {
    width: 460px;
}

.redx {
    color: red;
    margin-left: 5px;
}

.cxan {
    width: 60px;
    height: 30px;
    border-radius: 5px;
    color: white;
    background-color: #949494;
    border: none;
    margin: 0 2px;
    cursor: pointer;
}

table {
    font-size: 14px;
    width: 1100px;
}

td {
    height: 30px;
    padding: 7px 0;
}

.ckb {
    margin-right: 40px;
}

select {
    width: 180px;
}

.w180 {
    width: 180px;
}

.w450 {
    width: 450px;
}

.w320 {
    width: 320px;
}

tr>td:nth-child(1) {
    text-align: right;
}

tr>td:nth-child(2) {
    padding-left: 20px;
}

#bz {
    width: 870px;
    height: 120px;
    outline: none;
}

#sbt {
    width: 140px;
    height: 40px;
    color: white;
    font-size: 20px;
    font-weight: bold;
    background-color: #169bd5;
    border: none;
    border-radius: 5px;
    margin-right: 500px;
}

#clear {
    width: 140px;
    height: 40px;
    font-size: 20px;
    font-weight: bold;
    background-color: gray;
    border: none;
    border-radius: 5px;
    float: right;
    margin-right: 300px;
}

tr>td:nth-child(1) {
    width: 120px;
}

.ycnr {
    box-sizing: border-box;
    padding: 6px;
    width: 175px;
    height: 35px;
    border: 1px dashed gray;
    justify-content: space-between;
    float: left;
    display: flex;
    margin: 0 10px;
    visibility: hidden;
}

.ycnr:nth-child(1) {
    margin-left: 50px;
}